items) ? $this->items[0] : 'default';
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
final class SomeClass
{
private array $items = [];
public function run()
{
return $this->items[0] ?? 'default';
}
}
CODE_SAMPLE
)]);
}
/**
* @return array>
*/
public function getNodeTypes() : array
{
return [Ternary::class];
}
/**
* @param Ternary $node
*/
public function refactor(Node $node) : ?Node
{
if (!$node->cond instanceof BooleanNot) {
return null;
}
$negagedExpr = $node->cond->expr;
if (!$negagedExpr instanceof Empty_) {
return null;
}
if (!$node->if instanceof ArrayDimFetch) {
return null;
}
$emptyExprType = $this->getType($negagedExpr->expr);
if (!$emptyExprType->isArray()->yes()) {
return null;
}
$dimFetchVar = $node->if->var;
if (!$this->nodeComparator->areNodesEqual($negagedExpr->expr, $dimFetchVar)) {
return null;
}
return new Coalesce($node->if, $node->else);
}
}